/*******************************************************************************
 * Copyright (c) 2014 Jeff Martin.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     Jeff Martin - initial API and implementation
 ******************************************************************************/
package cuchaz.enigma.analysis;

import java.util.List;

import javax.swing.tree.DefaultMutableTreeNode;

import com.google.common.collect.Lists;

import cuchaz.enigma.mapping.ClassEntry;
import cuchaz.enigma.mapping.MethodEntry;
import cuchaz.enigma.mapping.Translator;

public class MethodInheritanceTreeNode extends DefaultMutableTreeNode
{
	private static final long serialVersionUID = 1096677030991810007L;
	
	private Translator m_deobfuscatingTranslator;
	private MethodEntry m_entry;
	private boolean m_isImplemented;
	
	public MethodInheritanceTreeNode( Translator deobfuscatingTranslator, MethodEntry entry, boolean isImplemented )
	{
		m_deobfuscatingTranslator = deobfuscatingTranslator;
		m_entry = entry;
		m_isImplemented = isImplemented;
	}
	
	public MethodEntry getMethodEntry( )
	{
		return m_entry;
	}
	
	public String getDeobfClassName( )
	{
		return m_deobfuscatingTranslator.translateClass( m_entry.getClassName() );
	}
	
	public String getDeobfMethodName( )
	{
		return m_deobfuscatingTranslator.translate( m_entry );
	}
	
	public boolean isImplemented( )
	{
		return m_isImplemented;
	}
	
	@Override
	public String toString( )
	{
		String className = getDeobfClassName();
		if( className == null )
		{
			className = m_entry.getClassName();
		}
		
		if( !m_isImplemented )
		{
			return className;
		}
		else
		{
			String methodName = getDeobfMethodName();
			if( methodName == null )
			{
				methodName = m_entry.getName();
			}
			return className + "." + methodName + "()";
		}
	}
	
	public void load( JarIndex index, boolean recurse )
	{
		// get all the child nodes
		List<MethodInheritanceTreeNode> nodes = Lists.newArrayList();
		for( String subclassName : index.getTranslationIndex().getSubclassNames( m_entry.getClassName() ) )
		{
			MethodEntry methodEntry = new MethodEntry(
				new ClassEntry( subclassName ),
				m_entry.getName(),
				m_entry.getSignature()
			);
			nodes.add( new MethodInheritanceTreeNode(
				m_deobfuscatingTranslator,
				methodEntry,
				index.containsObfBehavior( methodEntry )
			) );
		}
		
		// add them to this node
		for( MethodInheritanceTreeNode node : nodes )
		{
			this.add( node );
		}
		
		if( recurse )
		{
			for( MethodInheritanceTreeNode node : nodes )
			{
				node.load( index, true );
			}
		}
	}
	
	public static MethodInheritanceTreeNode findNode( MethodInheritanceTreeNode node, MethodEntry entry )
	{
		// is this the node?
		if( node.getMethodEntry().equals( entry ) )
		{
			return node;
		}
		
		// recurse
		for( int i=0; i<node.getChildCount(); i++ )
		{
			MethodInheritanceTreeNode foundNode = findNode( (MethodInheritanceTreeNode)node.getChildAt( i ), entry );
			if( foundNode != null )
			{
				return foundNode;
			}
		}
		return null;
	}
}